The site provides a feature rich, professional quality Psychrometric Calculator web application.
The HumidAirWeb application calculates 35 thermodynamic properties of humid (moist) air. It allows 21 different combinations of input variables to be used for calculations.
Input variables that can be used are:
The "Psychrometric Calculator" is based on the formulations developed by Hyland and Wexler. These formulations are approved by ASHRAE as documented in the 1997 ASHRAE Handbook "Fundamentals". Hyland and Wexler presented the equation of state in:
The Registration includes free technical support for the duration of the subscription.
Rent-To-Own program NEW
The value of each subscription you purchase (1 or more) can be applied as a discount towards a purchase of the full license of our related HumidAir (Psychrometrics) desktop software (HumidAir Excel Add-In or HumidAir Desktop Application). This also applies retroactively for all subscriptions since the beginning of 2019.
Save all subscription order IDs. When you wish to apply this discount towards a purchase of the full license on any of the mentioned desktop software send us an email and we will provide the steps to complete the purchase of the full license with the discount applied.
If you have any questions, please don't hesitate to contact sales. Contact information is provided on the following page:
Contact Us - (opens in a new tab).
This is a free service.
Free Psychrometric Calculator online.
This is a 5 months subscription fee for using the HumidAir Web (Psychrometric Calculator) online.
The following user settings, from the last session, are automatically restored:
Definition of the term negawatt is provided and different measures that reduce energy consumption...
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